I've been to a few events at a Chicago area mega church. The church has a big auditorium which is conducive for events that needs a stage. It has a capacity of ~7K. I've been there a few times for church sponsored Xmas shows and high school graduation events. Each time it was near capacity. I never had to pay, so I assume my relative paid or the school did.
Why do you bother going to church if you “X-out” Christ?